Home / 498,318,314.40-747,406,612.80-170,808,940.80

Finding the Fourth Proportional to 498,318,314.40, 747,406,612.80 and 170,808,940.80

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Solution

The fourth proportional to 498,318,314.40, 747,406,612.80 and 170,808,940.80 is: 256,189,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,318,314.40 : 747,406,612.80 = 170,808,940.80 : x
  2. Step 2: Convert to fraction form
    498,318,314.40/747,406,612.80 = 170,808,940.80/x
  3. Step 3: Cross multiply
    498,318,314.40x = 747,406,612.80 × 170,808,940.80
  4. Step 4: Simplify right side
    498,318,314.40x = 127,663,731,879,283,728
  5. Step 5: Solve for x
    x = 127,663,731,879,283,728/498,318,314.40
  6. Step 6: Final answer
    x = 256,189,122.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.